219994094 has 4 divisors (see below), whose sum is σ = 329991144. Its totient is φ = 109997046.

The previous prime is 219994081. The next prime is 219994109. The reversal of 219994094 is 490499912.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54998522 + ... + 54998525.

It is an arithmetic number, because the mean of its divisors is an integer number (82497786).

Almost surely, 2^219994094 is an apocalyptic number.

219994094 is a deficient number, since it is larger than the sum of its proper divisors (109997050).

219994094 is a wasteful number, since it uses less digits than its factorization.

219994094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109997049.

The product of its (nonzero) digits is 209952, while the sum is 47.

The square root of 219994094 is about 14832.1978816357. The cubic root of 219994094 is about 603.6756716005.

The spelling of 219994094 in words is "two hundred nineteen million, nine hundred ninety-four thousand, ninety-four".